Analysis of Erosive Wear in Pipe Elbows and Biomimetic Protection Strategies.

Zhenjiang Wei, Chengchun Zhang, Hongzhi Sun, Chun Shen, Meihong Gao, Meihui Zhu

Abstract read

In one paragraph

Article in Biomimetics (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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0 citing papers in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Zhenjiang WeiDepartment of Mechanical and Electronic Engineering, Heze University, Heze 274015, China.

Chengchun ZhangKey Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China.

Hongzhi SunKey Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China.

Chun ShenKey Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China.

Meihong GaoDepartment of Mechanical and Electronic Engineering, Heze University, Heze 274015, China.

Meihui ZhuDepartment of Mechanical and Electronic Engineering, Heze University, Heze 274015, China.

Funding

Changchun City Science and Technology Development Plan Project 25ZSLX11Heze University Doctoral Research Fund XY25BSLG10Jilin Province Science and Technology Department SKL202602016JCNational Natural Science Foundation of China 52275289Shandong Provincial Natural Science Foundation ZR2025QC1817Z, ZR2024QE320

6 · The paper itself

Abstract

Erosive wear in pipe elbows subjected to liquid-solid two-phase flow is a major cause of material degradation and service failure in industrial piping systems. In this study, erosion characteristics of pipe elbows were investigated through erosion mapping experiments and numerical simulations. The effects of flow velocity and particle diameter on erosion location and intensity were analyzed. Erosion was found to be mainly concentrated on the outer wall of the elbow within the angular range of 10° to 90°, and both erosion intensity and affected area increased with increasing particle diameter and flow velocity. Dean vortices were shown to play an important role in particle transport and erosion distribution, especially for small particles. Inspired by the ribbed morphology of shells, a biomimetic elbow was further designed and evaluated through an orthogonal numerical study considering flow velocity, particle diameter, rib number, and rib diameter. The results indicate that the ribbed structure can effectively improve erosion resistance by altering particle trajectories, reducing particle impact probability, and dissipating kinetic energy through low-velocity rotating flow between adjacent ribs. This finding provides useful inspiration for addressing erosive wear problems in engineering applications.

Indexed as

biomimetic designerosion resistanceliquid–solid two-phase flowshell ribbed structure

Identifiers

PMID42187403

DOI10.3390/biomimetics11050336

PMCPMC13204641

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